Can a Sigma 17-50mm f/2.8 DC lens be used on a Canon 6D full-frame camera?

Asked 3/23/2016

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I'm new to full-frame Canon cameras and am considering a Sigma 17-50mm f/2.8 lens for my Canon 6D. Will this lens mount and work properly on the 6D, or is it designed only for crop-sensor cameras? If it isn't a good match, what type of Sigma zoom designation should I look for instead?

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Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

10y ago

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Will the sigma 17-55mm 2.8 lense fit my full frame canon 6d ?

The lens that I think you're talking about is the Sigma 17-50mm f/2.8 EX DC (OS) HSM. Although any lens with an EF mount will fit your 6D, the "DC" designation means that the lens is designed for APS-C sensors rather than full frame, so the image won't cover the entire sensor. If you're looking at Sigma lenses, you should pick one with the "DG" designation, which tells you that it's designed for full frame sensors.

Originally by user4262. Source · Licensed CC BY-SA 4.0

user4262

10y ago

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A Sigma 17-50mm f/2.8 DC lens may physically mount on a Canon 6D if it has a Canon EF mount, but it is not a proper full-frame lens. Sigma’s “DC” lenses are designed for APS-C crop-sensor cameras, so they do not provide full image coverage on a full-frame sensor like the 6D. That means you’ll get heavy vignetting or an unusable image area.

For a full-frame Canon 6D, look for Sigma lenses marked “DG,” which are designed for full-frame sensors. In short: EF mount determines whether it attaches, but DC vs. DG determines whether it properly covers the sensor.

Can a Sigma 17-50mm f/2.8 DC lens be used on a Canon 6D full-frame camera?

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